xnu-6153.41.3.tar.gz

[apple/xnu.git] / iokit / Kernel / IOWorkLoop.cpp

diff --git a/iokit/Kernel/IOWorkLoop.cpp b/iokit/Kernel/IOWorkLoop.cpp
index a9aff9f93e54355cac32fcb39cc318cad5af7d12..d046938d2aa690f549472f9a73b348225031cbf9 100644 (file)
--- a/iokit/Kernel/IOWorkLoop.cpp
+++ b/iokit/Kernel/IOWorkLoop.cpp
@@ -206,7 +206,7 @@ IOWorkLoop::workLoopWithOptions(IOOptionBits options)
                me->reserved = IONew(ExpansionData, 1);
                if (!me->reserved) {
                        me->release();
-                       return 0;
+                       return NULL;
                }
                bzero(me->reserved, sizeof(ExpansionData));
                me->reserved->options = options;
@@ -214,7 +214,7 @@ IOWorkLoop::workLoopWithOptions(IOOptionBits options)
 
        if (me && !me->init()) {
                me->release();
-               return 0;
+               return NULL;
        }
 
        return me;
@@ -250,45 +250,45 @@ IOWorkLoop::free()
 
                for (event = eventChain; event; event = next) {
                        next = event->getNext();
-                       event->setWorkLoop(0);
-                       event->setNext(0);
+                       event->setWorkLoop(NULL);
+                       event->setNext(NULL);
                        event->release();
                }
-               eventChain = 0;
+               eventChain = NULL;
 
                for (event = passiveEventChain; event; event = next) {
                        next = event->getNext();
-                       event->setWorkLoop(0);
-                       event->setNext(0);
+                       event->setWorkLoop(NULL);
+                       event->setNext(NULL);
                        event->release();
                }
-               passiveEventChain = 0;
+               passiveEventChain = NULL;
 
                // Either we have a partial initialization to clean up
                // or the workThread itself is performing hari-kari.
                // Either way clean up all of our resources and return.
 
                if (controlG) {
-                       controlG->workLoop = 0;
+                       controlG->workLoop = NULL;
                        controlG->release();
-                       controlG = 0;
+                       controlG = NULL;
                }
 
                if (workToDoLock) {
                        IOSimpleLockFree(workToDoLock);
-                       workToDoLock = 0;
+                       workToDoLock = NULL;
                }
 
                if (gateLock) {
                        IORecursiveLockFree(gateLock);
-                       gateLock = 0;
+                       gateLock = NULL;
                }
 
                IOStatisticsUnregisterCounter();
 
                if (reserved) {
                        IODelete(reserved, ExpansionData, 1);
-                       reserved = 0;
+                       reserved = NULL;
                }
 
                super::free();
@@ -457,7 +457,7 @@ restartThread:
 exitThread:
        closeGate();
        thread_t thread = workThread;
-       workThread = 0; // Say we don't have a loop and free ourselves
+       workThread = NULL; // Say we don't have a loop and free ourselves
        openGate();
 
        free();
@@ -589,7 +589,7 @@ IOWorkLoop::_maintRequest(void *inC, void *inD, void *, void *)
 
                        inEvent->retain();
                        inEvent->setWorkLoop(this);
-                       inEvent->setNext(0);
+                       inEvent->setNext(NULL);
 
                        /* Check if this is a passive or active event source being added */
                        if (eventSourcePerformsWork(inEvent)) {
@@ -627,7 +627,7 @@ IOWorkLoop::_maintRequest(void *inC, void *inD, void *, void *)
                                if (eventChain == inEvent) {
                                        eventChain = inEvent->getNext();
                                } else {
-                                       IOEventSource *event, *next = 0;
+                                       IOEventSource *event, *next = NULL;
 
                                        event = eventChain;
                                        if (event) {
@@ -646,7 +646,7 @@ IOWorkLoop::_maintRequest(void *inC, void *inD, void *, void *)
                                if (passiveEventChain == inEvent) {
                                        passiveEventChain = inEvent->getNext();
                                } else {
-                                       IOEventSource *event, *next = 0;
+                                       IOEventSource *event, *next = NULL;
 
                                        event = passiveEventChain;
                                        if (event) {
@@ -663,8 +663,8 @@ IOWorkLoop::_maintRequest(void *inC, void *inD, void *, void *)
                                }
                        }
 
-                       inEvent->setWorkLoop(0);
-                       inEvent->setNext(0);
+                       inEvent->setWorkLoop(NULL);
+                       inEvent->setNext(NULL);
                        inEvent->release();
                        SETP(&fFlags, kLoopRestart);
                }